Chem Prelab#3

Chem Prelab#3 - 3 Titrate the unknown samples from the San...

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Maddi Williams Chem. 101-582 9/25/06 Exp# 3 Prelab Abstract: o Determine the concentration of the solution AgNO 3 o Use NaCl to titrate the solution o To build a working model of the salinity profile of the bay Equations: Total Volume=Final volume-Start Volume Total Volume Reacted=Final Volume-Start Volume-Blank Volume M 1 M 2 =M 2 M 1 Standard Deviation Mean M AgNO3 x V AgNO3 / V Water Sample = M Cl- Reagents: AgNO 3 K 2 CrO 4 600 mL beaker 3 50mL beaker 25mL Graduated Cylinder 125 Erlenmeyer flask Serological pipette Autopipetter Butterfly clamp Ring Stand Bulb Pump Fast Release Pump Procedure: Start by performing blank titrations to determine the concentration of AgNO
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Unformatted text preview: 3 . Titrate the unknown samples from the San Antonio Bay. Report data. In 50mL Grad. Cyl. Take 25ml of the unstandardized silver nitrate solution. Assemble micro scale burette system, fill system with the solution. Measure 9.5mL of DW and add to Erlenmeyer flask. Shake suspension and add 10 drops, add 1 drop of K 2 CrO 4 , while swirling add AgNO 3. Read and record volume Use clean pipette. Take 50mL beaker, add 1 drop of K 2 CrO 4 Read and record volume. Add 10mL to each of the 3 beakers. Swirl beaker and keep adding drops. Report Data...
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This note was uploaded on 04/08/2008 for the course CHEM 101 taught by Professor Williamson during the Spring '08 term at Texas A&M.

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Chem Prelab#3 - 3 Titrate the unknown samples from the San...

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